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๐ฅ Keep your engine cool, your ride smooth, and your status premium! โ๏ธ
The ACDelco GM Genuine Parts 15-11057 Engine Coolant Thermostat Water Inlet Assembly is a GM-recommended, steel alloy thermostat housing designed to prevent engine overheating by ensuring precise temperature regulation. Engineered to GM OE standards, it offers a perfect fit for GM vehicles, backed by a 24-month unlimited mile warranty, making it the trusted choice for maintaining optimal engine performance and reliability.








| ASIN | B002VVC4TG |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #70,302 in Automotive ( See Top 100 in Automotive ) #101 in Car Engine Thermostats |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Compatible with Vehicle Type | Basic |
| Customer Reviews | 4.7 out of 5 stars 1,083 Reviews |
| Global Trade Identification Number | 40707773594795 |
| Included Components | Water Inlet Assembly |
| Item Type Name | Water Inlet Assembly |
| Item Weight | 0.66 Pounds |
| Item weight | 0.66 Pounds |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 12600172 |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 15-11057 |
| OEM Equivalent Part Number | 12600172 |
| Part Interchange Info | 15-11057 |
| UPC | 707773594797 |
| Unit Count | 1 Count |
| Vehicle service type | Basic |
| Weight Class | Lightweight |
| Weight class | Lightweight |
S**L
Good fit. 2005 Yukon Denali 6.0 litre.
Perfect fit to new ACDelco water water pump.
A**R
Perfect parts for my Chevy Avalanche
I put the thermostat and housing in my 2004 Chevy Avalanche Z71 2 years ago and they are a perfect fit for the engine...Still going strong
G**O
Perfecto
Excelente
T**.
Worked great while replacing the water pump and getting a design upgrade too!
This was a perfect solution for my GMC 2001 5.3L Yukon. It came complete with the thermostat which is not shown in the stock picture and a new upgraded gasket that fits perfectly on the housing. A nice upgrade in design from the original Water pump inlet and fits perfectly! I used this when replacing my water pump (ACDelco 251-743)along with an ACDelco 38158 Drive belt tensioner so every part of the water pump unit would be new. I also changed the fan and AC belts while I was at it seeing as everything was already taken apart and accessible. All parts where ACDelco and purchased right here on Amazon. I chose not to use any RTV silicon because everything was nice and snug and both parts worked hand in glove with each other and the engine block. I am very pleased both with the parts and the convenience of picking up everything in one place with quick delivery at a good price. There is also a lot of satisfaction from doing this yourself with the help of a few youtube videos!
D**N
Easy to install.
Item arrived as described and was the right part. Easy to install. Works great.
Trustpilot
5 days ago
1 day ago